cinelerra-5.1/cinelerra/edit.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "asset.h"
  23 #include "assets.h"
  24 #include "bcsignals.h"
  25 #include "clip.h"
  26 #include "edit.h"
  27 #include "edits.h"
  28 #include "edl.h"
  29 #include "edlsession.h"
  30 #include "filexml.h"
  31 #include "filesystem.h"
  32 #include "labels.h"
  33 #include "localsession.h"
  34 #include "plugin.h"
  35 #include "mainsession.h"
  36 #include "strack.h"
  37 #include "trackcanvas.h"
  38 #include "tracks.h"
  39 #include "transition.h"
  40 #include <string.h>
  41
  42
  43 Edit::Edit()
  44 {
  45         reset();
  46 }
  47
  48 Edit::Edit(EDL *edl, Track *track)
  49 {
  50         reset();
  51         this->edl = edl;
  52         this->track = track;
  53         if(track) this->edits = track->edits;
  54         id = EDL::next_id();
  55         orig_id = id;
  56 }
  57
  58 Edit::Edit(EDL *edl, Edits *edits)
  59 {
  60         reset();
  61         this->edl = edl;
  62         this->edits = edits;
  63         if(edits) this->track = edits->track;
  64         id = EDL::next_id();
  65         orig_id = id;
  66 }
  67
  68 Edit::~Edit()
  69 {
  70 //printf("Edit::~Edit 1\n");
  71         if(transition) delete transition;
  72 //printf("Edit::~Edit 2\n");
  73 }
  74
  75 void Edit::reset()
  76 {
  77         edl = 0;
  78         track = 0;
  79         edits = 0;
  80         startsource = 0;
  81         startproject = 0;
  82         length = 0;
  83         asset = 0;
  84         transition = 0;
  85         channel = 0;
  86         user_title[0] = 0;
  87         nested_edl = 0;
  88         is_plugin = 0;
  89         is_selected = 0;
  90         hard_left = 0;
  91         hard_right = 0;
  92         color = 0;
  93         group_id = 0;
  94 }
  95
  96 Indexable* Edit::get_source()
  97 {
  98         if(asset) return asset;
  99         if(nested_edl) return nested_edl;
 100         return 0;
 101 }
 102
 103 int Edit::copy(int64_t start,
 104         int64_t end,
 105         FileXML *file,
 106         const char *output_path)
 107 {
 108 // variables
 109 //printf("Edit::copy 1\n");
 110
 111         int64_t endproject = startproject + length;
 112         int result;
 113
 114         if((startproject >= start && startproject <= end) ||  // startproject in range
 115                  (endproject <= end && endproject >= start) ||     // endproject in range
 116                  (startproject <= start && endproject >= end))    // range in project
 117         {
 118 // edit is in range
 119                 int64_t startproject_in_selection = startproject; // start of edit in selection in project
 120                 int64_t startsource_in_selection = startsource; // start of source in selection in source
 121                 //int64_t endsource_in_selection = startsource + length; // end of source in selection
 122                 int64_t length_in_selection = length;             // length of edit in selection
 123 //printf("Edit::copy 2\n");
 124
 125                 if(startproject < start)
 126                 {         // start is after start of edit in project
 127                         int64_t length_difference = start - startproject;
 128
 129                         startsource_in_selection += length_difference;
 130                         startproject_in_selection += length_difference;
 131                         length_in_selection -= length_difference;
 132                 }
 133 //printf("Edit::copy 3\n");
 134
 135                 if(endproject > end)
 136                 {         // end is before end of edit in project
 137                         length_in_selection = end - startproject_in_selection;
 138                 }
 139
 140 //printf("Edit::copy 4\n");
 141                 if(file)    // only if not counting
 142                 {
 143                         file->tag.set_title("EDIT");
 144                         file->tag.set_property("STARTSOURCE", startsource_in_selection);
 145                         file->tag.set_property("CHANNEL", (int64_t)channel);
 146                         file->tag.set_property("LENGTH", length_in_selection);
 147                         file->tag.set_property("HARD_LEFT", hard_left);
 148                         file->tag.set_property("HARD_RIGHT", hard_right);
 149                         file->tag.set_property("COLOR", color);
 150                         file->tag.set_property("GROUP_ID", group_id);
 151                         if(user_title[0]) file->tag.set_property("USER_TITLE", user_title);
 152 //printf("Edit::copy 5\n");
 153
 154                         copy_properties_derived(file, length_in_selection);
 155
 156                         file->append_tag();
 157 //                      file->append_newline();
 158 //printf("Edit::copy 6\n");
 159
 160                         if(nested_edl)
 161                         {
 162                                 file->tag.set_title("NESTED_EDL");
 163                                 file->tag.set_property("SRC", nested_edl->path);
 164                                 file->append_tag();
 165                                 file->tag.set_title("/NESTED_EDL");
 166                                 file->append_tag();
 167                                 file->append_newline();
 168                         }
 169
 170                         if(asset)
 171                         {
 172 //printf("Edit::copy 6 %s\n", asset->path);
 173                                 char stored_path[BCTEXTLEN];
 174                                 char asset_directory[BCTEXTLEN];
 175                                 char output_directory[BCTEXTLEN];
 176                                 FileSystem fs;
 177
 178 //printf("Edit::copy %d %s\n", __LINE__, asset->path);
 179                                 fs.extract_dir(asset_directory, asset->path);
 180 //printf("Edit::copy %d %s\n", __LINE__, asset->path);
 181
 182                                 if(output_path)
 183                                         fs.extract_dir(output_directory, output_path);
 184                                 else
 185                                         output_directory[0] = 0;
 186 //printf("Edit::copy %s, %s %s, %s\n", asset->path, asset_directory, output_path, output_directory);
 187
 188                                 if(output_path && !strcmp(asset_directory, output_directory))
 189                                         fs.extract_name(stored_path, asset->path);
 190                                 else
 191                                         strcpy(stored_path, asset->path);
 192
 193                                 file->tag.set_title("FILE");
 194                                 file->tag.set_property("SRC", stored_path);
 195                                 file->append_tag();
 196                                 file->tag.set_title("/FILE");
 197                                 file->append_tag();
 198                         }
 199
 200                         if(transition && startsource_in_selection == startsource)
 201                         {
 202                                 transition->save_xml(file);
 203                         }
 204
 205 //printf("Edit::copy 7\n");
 206                         file->tag.set_title("/EDIT");
 207                         file->append_tag();
 208                         file->append_newline();
 209 //printf("Edit::copy 8\n");
 210                 }
 211 //printf("Edit::copy 9\n");
 212                 result = 1;
 213         }
 214         else
 215         {
 216                 result = 0;
 217         }
 218 //printf("Edit::copy 10\n");
 219         return result;
 220 }
 221
 222
 223 int64_t Edit::get_source_end(int64_t default_)
 224 {
 225         return default_;
 226 }
 227
 228 void Edit::insert_transition(char *title)
 229 {
 230 //printf("Edit::insert_transition this=%p title=%p title=%s\n", this, title, title);
 231         delete transition;
 232         transition = new Transition(edl, this, title,
 233                 track->to_units(edl->session->default_transition_length, 1));
 234 }
 235
 236 void Edit::detach_transition()
 237 {
 238         if(transition) delete transition;
 239         transition = 0;
 240 }
 241
 242 int Edit::silence()
 243 {
 244         return (track->data_type != TRACK_SUBTITLE ?
 245                 asset || nested_edl :
 246                 *((SEdit *)this)->get_text()) ? 0 : 1;
 247 }
 248
 249 void Edit::set_selected(int v)
 250 {
 251         if( group_id )
 252                 edl->tracks->set_group_selected(group_id, v);
 253         else
 254                 is_selected = v >= 0 ? v : !is_selected ? 1 : 0;
 255 }
 256
 257 void Edit::copy_from(Edit *edit)
 258 {
 259         this->orig_id = edit->orig_id;
 260         this->nested_edl = edl->nested_edls.get_nested(edit->nested_edl);
 261         this->asset = edl->assets->update(edit->asset);
 262         this->startsource = edit->startsource;
 263         this->startproject = edit->startproject;
 264         this->length = edit->length;
 265         this->hard_left = edit->hard_left;
 266         this->hard_right = edit->hard_right;
 267         this->color = edit->color;
 268         this->group_id = edit->group_id;
 269         strcpy (this->user_title, edit->user_title);
 270
 271         if(edit->transition)
 272         {
 273                 if(!transition) transition = new Transition(edl,
 274                         this,
 275                         edit->transition->title,
 276                         edit->transition->length);
 277                 *this->transition = *edit->transition;
 278         }
 279         this->channel = edit->channel;
 280 }
 281
 282 void Edit::clone_from(Edit *edit)
 283 {
 284         copy_from(edit);
 285         edit->orig_id = edit->id;
 286 }
 287
 288 void Edit::equivalent_output(Edit *edit, int64_t *result)
 289 {
 290 // End of edit changed
 291         if(startproject + length != edit->startproject + edit->length)
 292         {
 293                 int64_t new_length = MIN(startproject + length,
 294                         edit->startproject + edit->length);
 295                 if(*result < 0 || new_length < *result)
 296                         *result = new_length;
 297         }
 298
 299         if(
 300 // Different nested EDLs
 301                 (edit->nested_edl && !nested_edl) ||
 302                 (!edit->nested_edl && nested_edl) ||
 303 // Different assets
 304                 (edit->asset == 0 && asset != 0) ||
 305                 (edit->asset != 0 && asset == 0) ||
 306 // different transitions
 307                 (edit->transition == 0 && transition != 0) ||
 308                 (edit->transition != 0 && transition == 0) ||
 309 // Position changed
 310                 (startproject != edit->startproject) ||
 311                 (startsource != edit->startsource) ||
 312 // Transition changed
 313                 (transition && edit->transition &&
 314                         !transition->identical(edit->transition)) ||
 315 // Asset changed
 316                 (asset && edit->asset &&
 317                         !asset->equivalent(*edit->asset, 1, 1, edl)) ||
 318 // Nested EDL changed
 319                 (nested_edl && edit->nested_edl &&
 320                         strcmp(nested_edl->path, edit->nested_edl->path))
 321                 )
 322         {
 323 // Start of edit changed
 324                 if(*result < 0 || startproject < *result) *result = startproject;
 325         }
 326 }
 327
 328
 329 void Edit::synchronize_params(Edit *edit)
 330 {
 331         copy_from(edit);
 332 }
 333
 334
 335 // Comparison for ResourcePixmap drawing
 336 int Edit::identical(Edit &edit)
 337 {
 338         int result = (this->nested_edl == edit.nested_edl &&
 339                 this->asset == edit.asset &&
 340                 this->startsource == edit.startsource &&
 341                 this->startproject == edit.startproject &&
 342                 this->length == edit.length &&
 343                 this->transition == edit.transition &&
 344                 this->channel == edit.channel);
 345         return result;
 346 }
 347
 348 double Edit::frames_per_picon()
 349 {
 350         return Units::round(picon_w()) / frame_w();
 351 }
 352
 353 double Edit::frame_w()
 354 {
 355         return track->from_units(1) *
 356                 edl->session->sample_rate /
 357                 edl->local_session->zoom_sample;
 358 }
 359
 360 double Edit::picon_w()
 361 {
 362         int w = 0, h = 0;
 363         if(asset) {
 364                 w = asset->width;
 365                 h = asset->height;
 366         }
 367         else if(nested_edl) {
 368                 w = nested_edl->session->output_w;
 369                 h = nested_edl->session->output_h;
 370         }
 371         return w>0 && h>0 ? ((double)edl->local_session->zoom_track*w)/h : 0;
 372 }
 373
 374 int Edit::picon_h()
 375 {
 376         return edl->local_session->zoom_track;
 377 }
 378
 379
 380 int Edit::dump(FILE *fp)
 381 {
 382         fprintf(fp,"     EDIT %p\n", this); fflush(fp);
 383         fprintf(fp,"      id %d, orig_id %d, nested_edl=%p %s asset=%p %s\n",
 384                 id, orig_id, nested_edl, nested_edl ? nested_edl->path : "",
 385                 asset, asset ? asset->path : "");
 386         fflush(fp);
 387         fprintf(fp,"      channel %d, color %08x, hard lt/rt %d/%d"
 388                 " group_id %d, is_selected %d\n",
 389                 channel, color, hard_left, hard_right, group_id, is_selected);
 390         if( transition ) {
 391                 fprintf(fp,"      TRANSITION %p\n", transition);
 392                 transition->dump(fp);
 393         }
 394         fprintf(fp,"      startsource %jd startproject %jd length %jd\n",
 395                 startsource, startproject, length);
 396         fflush(fp);
 397         return 0;
 398 }
 399
 400 int Edit::load_properties(FileXML *file, int64_t &startproject)
 401 {
 402         startsource = file->tag.get_property("STARTSOURCE", (int64_t)0);
 403         length = file->tag.get_property("LENGTH", (int64_t)0);
 404         hard_left = file->tag.get_property("HARD_LEFT", (int64_t)0);
 405         hard_right = file->tag.get_property("HARD_RIGHT", (int64_t)0);
 406         color = file->tag.get_property("COLOR", 0);
 407         group_id = file->tag.get_property("GROUP_ID", group_id);
 408         user_title[0] = 0;
 409         file->tag.get_property("USER_TITLE", user_title);
 410         this->startproject = startproject;
 411         load_properties_derived(file);
 412         return 0;
 413 }
 414
 415 void Edit::shift(int64_t difference)
 416 {
 417         startproject += difference;
 418 }
 419
 420 void Edit::trim(int64_t difference)
 421 {
 422         length += difference;
 423         if( startproject < 0 ) {
 424                 if( (startsource+=startproject) < 0 ) startsource = 0;
 425                 if( (length+=startproject) < 0 ) length = 0;
 426                 startproject = 0;
 427         }
 428         if( startsource < 0 )
 429                 startsource = 0;
 430         int64_t src_len = get_source_end(INT64_MAX);
 431         if( startsource + length > src_len ) {
 432                 length = src_len - startsource;
 433                 if( length < 0 ) length = 0;
 434         }
 435         if( length < 0 )
 436                 length = 0;
 437 }
 438
 439 int Edit::shift_start(int edit_mode, int64_t newposition, int64_t oldposition,
 440         int edit_labels, int edit_autos, int edit_plugins, Edits *trim_edits)
 441 {
 442         int64_t cut_length = newposition - oldposition;
 443         int rest_moved = edit_mode == MOVE_RIPPLE || edit_mode == MOVE_EDGE ? 1 : 0;
 444         if( cut_length > length )
 445                 cut_length = length;
 446         else if( cut_length < -length )
 447                 cut_length = -length;
 448
 449         int64_t start = startproject, end = start + length;
 450         Edit *prev = this->previous, *next = this->next;
 451         int edits_moved = 0;
 452
 453         switch( edit_mode ) {
 454         case MOVE_RIPPLE:
 455                 edits_moved = 1;
 456                 startsource += cut_length;
 457                 cut_length = -cut_length;
 458                 length += cut_length;
 459                 for( Edit *edit=next; edit; edit=edit->next )
 460                         edit->startproject += cut_length;
 461                 break;
 462         case MOVE_ROLL:
 463                 if( prev && prev->length + cut_length < 0 )
 464                         cut_length = -prev->length;
 465                 if( prev ) prev->trim(cut_length);
 466                 startproject += cut_length;
 467                 startsource += cut_length;
 468                 length -= cut_length;
 469                 break;
 470         case MOVE_SLIP:
 471                 edits_moved = 1;
 472                 startsource -= cut_length;
 473                 break;
 474         case MOVE_SLIDE:
 475                 edits_moved = 1;
 476                 if( prev && prev->length + cut_length < 0 )
 477                         cut_length = -prev->length;
 478                 if( next && next->length - cut_length < 0 )
 479                         cut_length = next->length;
 480                 if( prev ) prev->trim(cut_length);
 481                 startproject += cut_length;
 482                 if( next ) {
 483                         next->startproject += cut_length;
 484                         next->startsource += cut_length;
 485                         next->trim(-cut_length);
 486                 }
 487                 break;
 488         case MOVE_EDGE:
 489                 edits_moved = 1;
 490                 startsource -= cut_length;
 491                 length += cut_length;
 492                 for( Edit *edit=next; edit; edit=edit->next )
 493                         edit->startproject += cut_length;
 494                 break;
 495         }
 496         trim(0);
 497         return follow_edits(start, end, cut_length, edits_moved, rest_moved,
 498                 edit_labels, edit_autos, edit_plugins, trim_edits);
 499 }
 500
 501 int Edit::shift_end(int edit_mode, int64_t newposition, int64_t oldposition,
 502         int edit_labels, int edit_autos, int edit_plugins, Edits *trim_edits)
 503 {
 504         int64_t cut_length = newposition - oldposition;
 505         int rest_moved = edit_mode == MOVE_RIPPLE || edit_mode == MOVE_EDGE ? 1 : 0;
 506         if( cut_length > length ) {
 507                  if( !rest_moved ) cut_length = length;
 508         }
 509         else if( cut_length < -length )
 510                 cut_length = -length;
 511         int64_t start = startproject, end = start + length;
 512         Edit *prev = this->previous, *next = this->next;
 513         int edits_moved = 0;
 514
 515         switch( edit_mode ) {
 516         case MOVE_RIPPLE:
 517         case MOVE_EDGE:
 518                 length += cut_length;
 519                 for( Edit *edit=next; edit; edit=edit->next )
 520                         edit->startproject += cut_length;
 521                 break;
 522         case MOVE_ROLL:
 523                 if( next && next->length - cut_length < 0 )
 524                         cut_length = next->length;
 525                 length += cut_length;
 526                 if( next ) {
 527                         next->startproject += cut_length;
 528                         next->startsource += cut_length;
 529                         next->trim(-cut_length);
 530                 }
 531                 break;
 532         case MOVE_SLIP:
 533                 edits_moved = 1;
 534                 startsource -= cut_length;
 535                 break;
 536         case MOVE_SLIDE:
 537                 edits_moved = 1;
 538                 if( prev && prev->length + cut_length < 0 )
 539                         cut_length = -prev->length;
 540                 if( next && next->length - cut_length < 0 )
 541                         cut_length = next->length;
 542                 if( prev ) prev->trim(cut_length);
 543                 startproject += cut_length;
 544                 if( next ) {
 545                         next->startproject += cut_length;
 546                         next->startsource += cut_length;
 547                         next->trim(-cut_length);
 548                 }
 549                 break;
 550         }
 551         trim(0);
 552         return follow_edits(start, end, cut_length, edits_moved, rest_moved,
 553                 edit_labels, edit_autos, edit_plugins, trim_edits);
 554 }
 555
 556 int Edit::follow_edits(int64_t start, int64_t end, int64_t cut_length,
 557                 int edits_moved, int rest_moved, int edit_labels, int edit_autos,
 558                 int edit_plugins, Edits *trim_edits)
 559 {
 560         if( edits_moved && rest_moved ) {
 561                 if( edit_labels ) {
 562                         double cut_len = track->from_units(cut_length);
 563                         double start_pos = edits->track->from_units(start);
 564                         if( cut_len < 0 )
 565                                 edits->edl->labels->clear(start_pos + cut_len, start_pos, 1);
 566                         else if( cut_len > 0 )
 567                                 edits->edl->labels->insert(start_pos, cut_len);
 568                 }
 569                 if( cut_length < 0 )
 570                         track->clear(start + cut_length, start,
 571                                 0, 0, edit_autos, edit_plugins, trim_edits);
 572                 else if( cut_length > 0 ) {
 573                         if( edit_autos )
 574                                 track->shift_keyframes(start, cut_length);
 575                         if( edit_plugins )
 576                                 track->shift_effects(start, cut_length, 1, trim_edits);
 577                 }
 578         }
 579         else if( edits_moved ) {
 580                 if( edit_labels ) {
 581                         double cut_len = track->from_units(cut_length);
 582                         double start_pos = edits->track->from_units(start);
 583                         edits->edl->labels->insert(start_pos, cut_len);
 584                         double end_pos = edits->track->from_units(end);
 585                         edits->edl->labels->insert(end_pos + cut_len, -cut_len);
 586                 }
 587                 if( edit_autos ) {
 588                         if( cut_length > 0 ) {
 589                                 track->clear(end, end+cut_length, 0, 0, 0, 1, 0);
 590                                 track->shift_keyframes(start, cut_length);
 591                         }
 592                         else if( cut_length < 0 ) {
 593                                 track->clear(start+cut_length, start, 0, 0, 0, 1, 0);
 594                                 track->shift_keyframes(end+cut_length, -cut_length);
 595                         }
 596                 }
 597                 if( edit_plugins ) {
 598                         if( cut_length > 0 ) {
 599                                 track->clear(end, end+cut_length, 0, 0, -1, 0, 0);
 600                                 track->shift_effects(start, cut_length, 1, 0);
 601                         }
 602                         else if( cut_length < 0 ) {
 603                                 track->clear(start+cut_length, start, 0, 0, -1, 0, 0);
 604                                 track->shift_effects(end+cut_length, -cut_length, 1, 0);
 605                         }
 606                 }
 607         }
 608         else if( rest_moved ) {
 609                 if( edit_labels ) {
 610                         double cut_len = track->from_units(cut_length);
 611                         double end_pos = edits->track->from_units(end);
 612                         if( cut_len < 0 )
 613                                 edits->edl->labels->clear(end_pos + cut_len, end_pos, 1);
 614                         else if( cut_len > 0 )
 615                                 edits->edl->labels->insert(end_pos, cut_len);
 616                 }
 617                 if( cut_length < 0 )
 618                         track->clear(end + cut_length, end,
 619                                 0, 0, edit_autos, edit_plugins, trim_edits);
 620                 else if( cut_length > 0 ) {
 621                         if( edit_autos )
 622                                 track->shift_keyframes(end, cut_length);
 623                         if( edit_plugins )
 624                                 track->shift_effects(end, cut_length, 1, trim_edits);
 625                 }
 626         }
 627         return 0;
 628 }
 629
 630
 631
 632 int Edit::popup_transition(float view_start, float zoom_units, int cursor_x, int cursor_y)
 633 {
 634         int64_t left, right, left_unit, right_unit;
 635         if(!transition) return 0;
 636         get_handle_parameters(left, right, left_unit, right_unit, view_start, zoom_units);
 637
 638         if(cursor_x > left && cursor_x < right)
 639         {
 640 //              transition->popup_transition(cursor_x, cursor_y);
 641                 return 1;
 642         }
 643         return 0;
 644 }
 645
 646 int Edit::select_handle(float view_start, float zoom_units, int cursor_x, int cursor_y, int64_t &selection)
 647 {
 648         int64_t left, right, left_unit, right_unit;
 649         get_handle_parameters(left, right, left_unit, right_unit, view_start, zoom_units);
 650
 651         int64_t pixel1, pixel2;
 652         pixel1 = left;
 653         pixel2 = pixel1 + xS(10);
 654
 655 // test left edit
 656 // cursor_x is faked in acanvas
 657         if(cursor_x >= pixel1 && cursor_x <= pixel2)
 658         {
 659                 selection = left_unit;
 660                 return 1;     // left handle
 661         }
 662
 663         //int64_t endproject = startproject + length;
 664         pixel2 = right;
 665         pixel1 = pixel2 - xS(10);
 666
 667 // test right edit
 668         if(cursor_x >= pixel1 && cursor_x <= pixel2)
 669         {
 670                 selection = right_unit;
 671                 return 2;     // right handle
 672         }
 673         return 0;
 674 }
 675
 676 void Edit::get_title(char *title)
 677 {
 678         if( user_title[0] ) {
 679                 strcpy(title, user_title);
 680                 return;
 681         }
 682         Indexable *idxbl = asset ? (Indexable*)asset : (Indexable*)nested_edl;
 683         if( !idxbl ) {
 684                 title[0] = 0;
 685                 return;
 686         }
 687         FileSystem fs;
 688         fs.extract_name(title, idxbl->path);
 689         if( asset || track->data_type == TRACK_AUDIO ) {
 690                 char number[BCSTRLEN];
 691                 sprintf(number, " #%d", channel + 1);
 692                 strcat(title, number);
 693         }
 694 }
 695